SC-1431 - Added a finally clause for closing the response body in case of an error.

Author: mickael-caro-sonarsource

api/src/main/java/org/sonarsource/scanner/api/internal/ServerConnection.java

@@ -82,6 +82,8 @@ public void downloadFile(String urlPath, Path toFile) throws IOException {
     } catch (IOException | RuntimeException e) {
       Utils.deleteQuietly(toFile);
       throw e;
+    }finally {
+      responseBody.close();
     }
   }